Razor cartridges
US4170821A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1977 |
| Grant date | Oct 16, 1979 |
| Priority date | — |
| Expiry date | Dec 2, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/0405
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A solid water-soluble shaving aid incorporated in a disposable razor blade cartridge which gradually dissolves during the act of wet shaving. The shaving aid, in the form of a lubricant, whisker softener, razor cleaner, medicinal agent, cosmetic agent or combination of the above is embedded, dispersed into, formed as an integral component of, or otherwise affixed to the cartridge structure adjacent the shaving edge or edges of single or multiple blades supported therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.